/Engine/Plugins/Experimental/Web/WebAPI/Source/WebAPIEditor/Public/WebAPIEditorUtilities.h
Makes the input string valid for use as a member name, ie. no reserved characters. Provide an optional prefix to apply to invalid names (ie. start with a number).
[FString](API\Runtime\Core\Containers\FString) MakeValidMemberName ( FStringView InString, const [FString](API\Runtime\Core\Containers\FString) & InPrefix ) const